13487886719 has 2 divisors, whose sum is σ = 13487886720. Its totient is φ = 13487886718.

The previous prime is 13487886653. The next prime is 13487886749. The reversal of 13487886719 is 91768878431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13487886719 - 2⁸ = 13487886463 is a prime.

It is a super-2 number, since 2×13487886719² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13487886749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743943359 + 6743943360.

It is an arithmetic number, because the mean of its divisors is an integer number (6743943360).

Almost surely, 2^13487886719 is an apocalyptic number.

13487886719 is a deficient number, since it is larger than the sum of its proper divisors (1).

13487886719 is an equidigital number, since it uses as much as digits as its factorization.

13487886719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 62.

The spelling of 13487886719 in words is "thirteen billion, four hundred eighty-seven million, eight hundred eighty-six thousand, seven hundred nineteen".